| DTC Code | DTC Name |
|---|---|
| C1245 | Deceleration Sensor |
DESCRIPTION
The parking brake ECU assembly receives vehicle tilt information from the deceleration sensor (yaw rate sensor) via CAN communication.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Memory | Note |
|---|---|---|---|---|---|
| C1245 | Deceleration Sensor |
|
Deceleration sensor (Yaw rate sensor) | Yes | An electric parking brake system malfunction is displayed on the multi-information display. |
| Vehicle Condition | ||||
| Pattern 1 | Pattern 2 | Pattern 3 | ||
| Diagnosis Condition | Power switch on (IG) | ○ | - | - |
| From when the vehicle speed is 30 km/h (19 mph) or more until just before the vehicle stops (exceeds 0 km/h (0 mph), but below 1 km/h (1 mph)) | - | ○ | - | |
| Driving at a vehicle speed of 1 km/h (1 mph) or more | - | - | ○ | |
| Malfunction Status | Malfunction signal input from deceleration sensor | ○ | - | - |
| The difference between the maximum and minimum value of the deceleration sensor is less than 0.288 m/s2 |
- | ○ | - | |
| The difference between the output values for deceleration sensor 1 and 2 is 5.884 m/s2 or more |
- | - | ○ | |
| Detection Time | Approximately 0.3 seconds | Repeats 16 times | 60 seconds | |
| Trip Count | 1 trip | 1 trip | 1 trip | |
If the conditions match either of these patterns, a DTC will be output.
CAUTION / NOTICE / HINT
When replacing the yaw rate sensor, perform calibration, initialization or registration.
PROCEDURE
CHECK DTC (BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS)
Check for DTC.
| Result | ||||||
|---|---|---|---|---|---|---|
|
GO TO BRAKE CONTROL / DYNAMIC CONTROL SYSTEMSClick here
CHECK DTC (ELECTRIC PARKING BRAKE SYSTEM)
Clear the DTC.
Turn the power switch off.
Check for DTC.
| Result | ||||||
|---|---|---|---|---|---|---|
|
REPLACE YAW RATE SENSORClick here
USE SIMULATION METHOD TO CHECKClick here